MB91470/480 Series
Pin no.
MB91470
MB91480
I/O
series
series Pin name circuit
LQFP- PFBGA- LQFP-
type*
144
144
100
Function
D25
Bit 25 of external data bus I/O pin
118
B9
⎯
C
P11
General-purpose I/O port
D26
Bit 26 of external data bus I/O pin
119
A9
⎯
C
P12
General-purpose I/O port
120
D10
⎯
D27
Bit 27 of external data bus I/O pin
C
P13
General-purpose I/O port
D28
Bit 28 of external data bus I/O pin
121
C9
⎯
C
P14
General-purpose I/O port
D29
Bit 29 of external data bus I/O pin
122
B8
⎯
C
P15
General-purpose I/O port
D30
Bit 30 of external data bus I/O pin
123
A8
⎯
C
P16
General-purpose I/O port
D31
Bit 31 of external data bus I/O pin
124
D9
⎯
C
P17
General-purpose I/O port
A00
Bit 0 of external address bus output pin
127
A7
⎯
C
P20
General-purpose I/O port
A01
Bit 1 of external address bus output pin
128
B7
⎯
C
P21
General-purpose I/O port
A02
Bit 2 of external address bus output pin
129
C7
⎯
C
P22
General-purpose I/O port
A03
Bit 3 of external address bus output pin
130
D7
⎯
C
P23
General-purpose I/O port
A04
Bit 4 of external address bus output pin
131
A6
⎯
C
P24
General-purpose I/O port
A05
Bit 5 of external address bus output pin
132
B6
⎯
C
P25
General-purpose I/O port
A06
Bit 6 of external address bus output pin
133
C6
⎯
C
P26
General-purpose I/O port
A07
Bit 7 of external address bus output pin
134
D6
⎯
C
P27
General-purpose I/O port
A08
Bit 8 of external address bus output pin
135
A5
⎯
C
P30
General-purpose I/O port
10
(Continued)